A luxuriant botanical garden below sea level.

Fascinating military history, awe-inspiring wildlife encounters, and endless outdoor adventures draw people to this sprawling park.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

This luxury shopping lane has been protected by its own tiny police force for over a century.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

The world's longest continuously running show has played at this small West End theater since 1974.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A Roman spa buried deep beneath the City of London.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

Erotic art covers the walls of the largest ancient pleasure palace.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

A large replica of a monumental Roman inscription is located on the side of this museum.

A forgotten "city of water" underneath the famous Trevi district.

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.

Grand Cayman is home to a colorful sculpture garden filled with giant concrete animals.

Send a postcard while vacationing with Satan.

A monument celebrating the idea of reaching inaccessible places.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.

Former villa and estate of James Deering developed to preserve native tropical forests.

Located within a historic park, the beacon is the oldest standing structure in Miami.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.